Geometric derivation of hyperbolic trig functions
This is the third post in a series on generalizing sine and cosine. The previous post looked at a generalization of the sine and cosine functions that come from replacing a circle with a lemniscate, a curve that looks like a figure eight. This post looks at replacing the circle with a hyperbola. On the […]
Geometric derivation of hyperbolic trig functions first appeared on John D. Cook.
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